Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 04-04-2023 and time 21:15:45 (Italy) in region 5 km W Cantiano (PU)

A magnitude ML 0.3 earthquake occured in region: 5 km W Cantiano (PU), on

  • 04-04-2023 19:15:45 (UTC)
  • 04-04-2023 21:15:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4800, 12.5630 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cantiano PU 5 2245 2245
Cagli PU 10 8731 10976
Pietralunga PG 11 2111 13087
Scheggia e Pascelupo PG 12 1393 14480
Piobbico PU 13 2029 16509
Gubbio PG 14 32216 48725
Apecchio PU 15 1882 50607
Frontone PU 15 1300 51907
Serra Sant'Abbondio PU 17 1027 52934
Acqualagna PU 18 4393 57327
Costacciaro PG 18 1216 58543

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Perugia (166134 inhabitants)
55 Km SW of Fano (60888 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
59 Km N of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 inhabitants)
78 Km SE of Cesena (96758 inhabitants)
79 Km W of Ancona (100861 inhabitants)
93 Km SE of Forlì (117913 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 0.3 2023-04-04
19:15:45		 43.4798 12.563 11 2023-04-04
19:36:19		 Sala Sismica INGV-Roma 116071061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-04 19:15:45 ± 0.03
Latitude 43.4798 ± 0.0027
Longitude 12.5630 ± 0.0025
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116071061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16458
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 116071061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-04 19:36:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2023-04-04T19:15:52.26 0.3 undecidable manual S 105 18.2706 90 -0.19 71
IV.NARO.HHZ. 2023-04-04T19:15:51.39 0.1 undecidable manual S 6 14.5743 90 -0.07 99
IV.FRON.EHZ. 2023-04-04T19:15:51.28 0.3 undecidable manual S 72 13.7751 91 0.05 74
IV.ATSC.EHN. 2023-04-04T19:15:50.81 0.3 undecidable manual S 122 11.6772 109 0.11 74
IV.TSM2.DHZ.01 2023-04-04T19:15:50.36 0.3 undecidable manual S 212 10.9779 114 -0.17 73
IV.ATPC.HNE. 2023-04-04T19:15:50.11 0.3 undecidable manual S 271 8.5803 128 0.14 73
IV.PIEI.HHZ. 2023-04-04T19:15:49.45 0.6 undecidable manual S 340 6.5934 138 -0.13 50
IV.SSFR.HHZ. 2023-04-04T19:15:49.38 0.1 undecidable manual P 105 18.2706 90 0.03 99
IV.ATVO.HHZ. 2023-04-04T19:15:48.80 3.0 positive manual P 0.01 0
IV.ATSC.EHN. 2023-04-04T19:15:48.37 0.1 undecidable manual P 122 11.6772 109 0.03 100
IV.NARO.HHZ. 2023-04-04T19:15:48.76 0.3 undecidable manual P 6 14.5743 90 -0.02 75
IV.TSM2.DHZ.01 2023-04-04T19:15:48.21 0.1 undecidable manual P 212 10.9779 114 -0.03 100
IV.FRON.EHZ. 2023-04-04T19:15:48.72 0.3 undecidable manual P 72 13.7751 91 0.07 74
IV.ATPC.HNE. 2023-04-04T19:15:47.93 0.6 undecidable manual P 271 8.5803 128 0.02 50
IV.PIEI.HHZ. 2023-04-04T19:15:47.77 0.6 negative manual P 340 6.5934 138 0.08 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.2 0.000024118655 0.1408 AML other m 2023-04-04T19:15:49.74
IV.PIEI.HHN. ML:0.0 0.000014299244999999998 0.6272 AML other m 2023-04-04T19:15:49.98
IV.FRON.EHE. ML:0.6 0.000037344114999999995 1.5616 AML other m 2023-04-04T19:15:52.14
IV.FRON.EHN. ML:0.5 0.000031049465 1.8048 AML other m 2023-04-04T19:15:51.33
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download